TerraPop Environmental & Demographic Data
TerraPop delivers internationally comparable environment and demographic data at a global scale – this includes raster, area-level and micro-data.
Author: GISGeography
We help you learn Geographic Information Systems and remote sensing
Cartogram Maps: Data Visualization with Exaggeration
Cartogram maps distorts reality to convey information. It accomplishes this by resizing and exaggerating any variable using a polygons geometry.
What is a Voronoi Diagram?
In a Voronoi Diagram, when you take a point in any given Thiessen polygon, it indicates that it’s closer to that generating point than to any other.
Lossless Compression vs Lossy Compression
Lossless compression (like JPEG) retains values and lowers file size. However, lossy compression (like LZ77) reduces file size by eliminating redundancy.
Huff Gravity Model: Store Customer Predictions
Huff Gravity Model uses store size and distance along with census tract population to understand the probability that consumers will patron retail stores.
How To Create a Topographic Profile in ArcGIS
Topographic profiles are cross-sectional views showing elevation along a line with applications in engineering, hydrology, land use planning and more.
Maptitude From Caliper (Review)
Maptitude prides itself as an affordable one-stop shop GIS on the market with a low learning curve. It shines in business and transportation.
Light Reflection, Absorption and Transmission in Remote Sensing
The EM radiation that makes it to Earth is called incident light. From here, Earth’s features reflect, absorb and transmit different amounts of energy.
Choropleth Maps – A Guide to Data Classification
Equal intervals, quantile, natural breaks, pretty breaks- data classification methods generate different choropleth maps. We explain the types of maps here.
GeoMedia by Hexagon Geospatial (Review)
Companies, government, and the military embrace GeoMedia because of its solution-driven approach and its ability to extract actionable information.